FIX: An Access Violation Occurs in Microsoft XML Parser 3.0 When You Use Long Attribute Values (327206)


The information in this article applies to:

  • Microsoft XML 3.0
  • Microsoft XML 3.0 SP1
  • Microsoft XML 3.0 SP2
This article was previously published under Q327206

SYMPTOMS

An access violation may occur in the Microsoft XML (MSXML) 3.0 parser when you format XML with long attribute values.

CAUSE

The IXMLNodeFactory interface reports the size of the attribute list by using a USHORT argument. The access violation occurs because the USHORT argument overflows when the attribute values are too long.

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Service Pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date        Version       Size       File name
   ----------------------------------------------
   8-Jan-2002  8.20.9816.0   1,120,768  Msxml3.dll

WORKAROUND

To work around this issue, use MSXML 4.0 with the NewParser option set to True. For more information, visit the following MSDN Web site:

DOM setProperty Method
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/htm/xml_mth_sz_8m49.asp

For additional information about upgrading the MSXML parser, click the article number below to view the article in the Microsoft Knowledge Base:

324460 HOW TO: Upgrade the Microsoft XML Parser

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

Because this bug is in a published public interface, Microsoft cannot produce a complete fix. The hotfix described in the "Workaround" section of this article avoids the access violation because it aborts the parse and returns E_FAIL when it detects a potential "crash" situation.
Modification Type:MinorLast Reviewed:10/11/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix kbQFE KB327206
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